Usage: for expanding the wire, the whole set of line on the six equal parts of the rolling disc, through the traction of the rotation of the wire. 

DP028-2: rated load 2T, thickness of bottom plate-6mm, dia of bottom plate-800mm, weight- 50kg

DP028-3: rated load 3T, thickness of bottom plate-6mm, dia of bottom plate-850mm, weight- 65kg

DP028-5: rated load 5T, thickness of bottom plate-6mm, dia of bottom plate-1200mm, weight- 125kg